Question

K WIEWIEL U call end with the aigit bor any natural number n.
4. Explain why 7 x 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 +5 are composite
numbers.​

Answer 1

Answer:

Step-by-step explanation I've full detailsn:

Answer 2

Answer:

takes 13 outside

7 × 11 ×13 +13

13 (7×11×1)

13×78

composite is product of as 13 × 2x 13 ×3 therefore 7×11×13+13 is composite number